Compare 640896 vs 640907
| Property | 640896 | 640907 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 9 | 1 |
| Prime factorization | 27 × 31 × 16691 | 6409071 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 1669 | 640907 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1669, 3338, 5007, 6676, 10014, 13352, 20028, 26704, 40056, 53408, 80112, 106816, 160224, 213632, 320448, 640896 | 1, 640907 |
| Number of properties | 0 | 4 |
| Chen primes | 20404th | |
| Isolated primes | 40867th | |
| Primes | 52142nd | |
| Sexy primes (2nd member) | 11298th | |
| Roman numberals | ||
| Base 2 | 100111000111100000002 | 100111000111100010112 |
| Base 3 | 10121200102203 | 10121200110223 |
| Base 4 | 21301320004 | 21301320234 |
| Base 5 | 1310020415 | 1310021125 |
| Base 6 | 214230406 | 214230556 |
| Base 7 | 53063347 | 53063517 |
| Base 8 | 23436008 | 23436138 |
| Base 9 | 11761269 | 11761389 |
| Base 10 | 64089610 | 64090710 |
| Base 11 | 3a857311 | 3a858311 |
| Base 12 | 26aa8012 | 26aa8b12 |
| Base 13 | 19593913 | 19594713 |
| Base 14 | 1297c414 | 1297d114 |
| Base 15 | c9d6615 | c9d7215 |
| Base 16 | 9c78016 | 9c78b16 |